Minotti, Gabriele (9 November 2021). "Bersani, Calenda e il liberismo". L'Opinione delle Libertà (in Italian). Archived from the original on 9 November 2021. Retrieved 30 January 2023.
Minotti, Gabriele (9 November 2021). "Bersani, Calenda e il liberismo". L'Opinione delle Libertà (in Italian). Archived from the original on 9 November 2021. Retrieved 30 January 2023.